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57302225 = 5214591571
BaseRepresentation
bin1101101010010…
…1110011010001
310222211020212122
43122211303101
5104132132400
65404104025
71264026611
oct332456321
9128736778
1057302225
112a389012
1217235015
13bb44056
147878a41
15506d685
hex36a5cd1

57302225 has 12 divisors (see below), whose sum is σ = 71148720. Its totient is φ = 45781200.

The previous prime is 57302221. The next prime is 57302227. The reversal of 57302225 is 52220375.

It is not a de Polignac number, because 57302225 - 22 = 57302221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57302194 and 57302203.

It is not an unprimeable number, because it can be changed into a prime (57302221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35690 + ... + 37260.

It is an arithmetic number, because the mean of its divisors is an integer number (5929060).

Almost surely, 257302225 is an apocalyptic number.

It is an amenable number.

57302225 is a deficient number, since it is larger than the sum of its proper divisors (13846495).

57302225 is a wasteful number, since it uses less digits than its factorization.

57302225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040 (or 3035 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 57302225 is about 7569.8233136580. The cubic root of 57302225 is about 385.5290976919.

The spelling of 57302225 in words is "fifty-seven million, three hundred two thousand, two hundred twenty-five".

Divisors: 1 5 25 1459 1571 7295 7855 36475 39275 2292089 11460445 57302225